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- One, introductive 20 centuries 30 time are German the aggregate reaction that discovered ester of different cyanic acid and lively hydrogen compound, initiated polyurethane industry times thereby. 一、前言二十世紀30年代德國人發現了異氰酸酯與活潑氫化合物的聚合反應,從而開創了聚氨酯工業時代。
- Water contains hydrogen and oxygen. 水含有氫和氧。
- Water is a compound of hydrogen and oxygen. 水是氫和氧的化合物。
- Water is the compound of oxygen and hydrogen. 水是氫氧化合物。
- Water is composed of hydrogen and oxygen. 水由氫和氧組成。
- Oxygen enters into many compound bodies. 氧是許多化合物的組成部分。
- Determination of Extracting Carbon Hydrogen Compound in Beeswax by Using Active Aluminum Oxide as Adsorbent 活性氧化鋁吸附法測定蜂蠟中碳氫化合物含量
- Water is composed of the elements hydrogen and oxygen. 水是由氫元素和氧元素組成的。
- Air is a mixture, not a compound of gases. 空氣是氣體的混合物,不是化合物。
- Rose is a plant with compound leaves. 玫瑰是複葉植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是個複合字。
- Common salt is a compound of sodium and chlorine. 食鹽是鈉和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那個大院里。
- A chemical compound consisting of such molecules. 二聚化合物這種聚合物形成化合物
- Water may be resolved into hydrogen and oxygen. 水可以分解為氫和氧。
- Water is a compound containing the elements hydrogen and oxygen. 水是含有氫元素和氧元素的化合物。
- An organic compound containing many double bonds. 多烯一種包含許多雙鍵的有機化合物
- The hydrogen is the known the lightest element. 氫是已知的最輕的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氫與氧化合成水。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有兩個氫原子和一個氧原子。